* fix(responses): drop bridge-minted reasoning items from OpenAI replays
* fix(responses): send id-less stored reasoning items without a made-up id
The chat-to-Responses bridge gave a stored reasoning item with no id an rs_<n> id that OpenAI rejects (404 without encrypted content, 400 with it); an id-less item is accepted and verified by OpenAI itself. Decoding encrypted_content now keeps the verifiable thinking blocks of a mixed array instead of rejecting the whole array, and the verifiable-block rule lives in the shared module.
* test(integration): audit minted reasoning item replay across responses, chat bridge and messages
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Co-authored-by: mateo-berri <277851410+mateo-berri@users.noreply.github.com>
